ACT-R

ACT-R Releases

HAM

1973 - Approx. 1976

Anderson & Bower, 1973
Simulate Complex Cognition
Symbolic Declarative

ACTE

1976 - Approx. 1983

Anderson, 1976
Subsymbolic Declarative
Subsymbolic Procedural

ACT*

1983 - Approx. 1993

Anderson, 1983
Goal-Directed Processing
Production Compilation

ACT-R 2.0

1993 - Approx. 1998

Anderson, 1993
Public Simulation System

ACT-R 4.0

1998 - Approx. Present

Anderson & Lebiere, 1998
End-to-End Simulation

ACT-R 5.0

2004 - Approx. Present

Anderson, Bothell, Byrne, Douglass, Lebiere, & Qin, 2004
Neural Correlates

ACT-R 6.0

2005 - Approx. Present

ACT-R 7.0

Approx. 2015 - Approx. Present

Other Cognitive Architectures

GPS

1972

Ernst & Newell, 1969
Newell & Simon, 1872

CAPS

Approx. 1982

Thibadeau, Just, Carpenter, 1982

GRAPES

1982

Anderson & Neves, 1982

SOAR - Various Versions

1983 - Approx. Present

Laird & Newell, 1983
Arrow to continue on

3CAPS

Approx. 1992

Just & Carpenter, 1992

EPIC

1997 - Approx. Present

Meyer & Kieras, 1997
Perceptual Motor Modules

ACT-R/PM

Approx. 2001

4CAPS

Approx. 2007 - Approx. Present

Just & Varma, 2007

Supplementary Research

Distributed Memory Theory

1971

Hunt, 1971

Production Systems

Approx. 1973

Newell, 1973
Symbolic Procedural Memory

Interactive Activation Model

1981

McClelland & Rumelhart, 1981

Knowledge Compilation

1982

Anderson & Neves, 1982

GOMS

1983

Card, Moran, Newell, 1983

Rational Analysis

1990

Anderson, 1990

Unified Theories of Cognition

1990

Newell, 1990
(Italics/bold)

ACT-RN

1993

Lebiere & Anderson, 1993
Limited Pattern Matching

Other Events

First ACT-R Summer Workshop at CMU

1994